Diesel of the Week is presented by
In this recap of December’s diesel engines, we take a look at a Stage 3 turbocharged 6.0L Powerstroke engine built by Lead Foot Diesel Performance; a twin-turbo Stage 2 Duramax engine built by PPE; a mechanical-injected 6.0L Powerstroke engine built by The Ranch; and a turbocharged 6.7L Cummins engine built by MB Diesel Performance.
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Closed-loop control can be programmed to either add or subtract up to a certain percentage of fuel in order for the engine to reach the target air/fuel ratio.
Electronic Fuel Injection (EFI) is all the rage today and rightfully so. EFI has many advantages that allow us to dial in the fuel in a dramatically more precise fashion than was ever possible with a carburetor. One of the tools at our disposal is the closed loop algorithm where the target air/fuel ratio commanded in the ECU is compared to the actual air/fuel ratio read by the O2 sensor. If the two do not match, the ECU makes small changes by either adding or subtracting from the commanded fuel in the fuel table to equalize the two.
Who doesn’t like a little bit of burnt rubber?
Despite not being a fancy, state-of-the-art set up, Mike and his team at H&H have a great thing going. The equipment does exactly what it needs to, his team is experienced and the shop has built thousands of vintage engines for customers everywhere!
This shop’s dedication to quality engine work, its growth, its machining capabilities and its impact in the diesel industry, all make Choate Engineering Performance well deserving of Engine Builder’s and Autolite’s 2022 America’s Best Diesel Engine Shop award.
The 4 Piston Racing facility in Danville, IN houses two buildings – one is 12,000 sq.-ft. and the other is 2,500 sq.-ft. The shop is very heavily focused on Honda cylinder heads and engine work to the tune of 300+ engines and 1,000 cylinder heads annually!
This 24-valve 5.9L Cummins is your average workhorse build for pulling trailers… until you learn about the Coffman-inspired starter James Crutcher built for this engine.
When it comes to oil choices, you can opt to go after viscosities that provide better fuel economy or those that give your engine better protection. You can’t have both. Either way you choose, you’ll also want to consider the ambient temperatures in your area for best results. We get into the details of oil
D&J Precision Machine’s Enforcer Cummins engine has been around for a while now, but every time we see an Enforcer build, it remains impressive. This particular Enforcer was outfitted with compound turbos and all sorts of engine component goodies to the tune of 2,000+ horsepower. It’s our Diesel of the Week brought to you by AMSOIL
The 6.7L Powerstroke may have some some minor flaws, but they are easily remedied by the team over at Choate Engineering Performance.
